data = create->data;
/* OK, tell user we're spawned, wait for stop or wakeup */
- __set_current_state(TASK_INTERRUPTIBLE);
+ __set_current_state(TASK_UNINTERRUPTIBLE);
complete(&create->started);
schedule();
*/
void kthread_bind(struct task_struct *k, unsigned int cpu)
{
- BUG_ON(k->state != TASK_INTERRUPTIBLE);
+ if (k->state != TASK_UNINTERRUPTIBLE) {
+ WARN_ON(1);
+ return;
+ }
/* Must have done schedule() in kthread() before we set_task_cpu */
wait_task_inactive(k);
set_task_cpu(k, cpu);
}
EXPORT_SYMBOL(kthread_stop);
-
-static __init void kthreadd_setup(void)
+int kthreadd(void *unused)
{
struct task_struct *tsk = current;
- struct k_sigaction sa;
- sigset_t blocked;
-
- set_task_comm(tsk, "kthreadd");
-
- /* Block and flush all signals */
- sigfillset(&blocked);
- sigprocmask(SIG_BLOCK, &blocked, NULL);
- flush_signals(tsk);
- /* SIG_IGN makes children autoreap: see do_notify_parent(). */
- sa.sa.sa_handler = SIG_IGN;
- sa.sa.sa_flags = 0;
- siginitset(&sa.sa.sa_mask, sigmask(SIGCHLD));
- do_sigaction(SIGCHLD, &sa, (struct k_sigaction *)0);
-
- set_user_nice(current, -5);
- set_cpus_allowed(current, CPU_MASK_ALL);
-}
-
-int kthreadd(void *unused)
-{
/* Setup a clean context for our children to inherit. */
- kthreadd_setup();
+ set_task_comm(tsk, "kthreadd");
+ ignore_signals(tsk);
+ set_user_nice(tsk, -5);
+ set_cpus_allowed(tsk, CPU_MASK_ALL);
current->flags |= PF_NOFREEZE;